/* /plan-drawing. Extends atelier.css; the drawing styles are direction A (directions/plan-moment-2026-10-12). */
html{scroll-behavior:smooth}
@media (prefers-reduced-motion:reduce){html{scroll-behavior:auto}}

.hero{padding-block:clamp(36px,6vw,88px) clamp(48px,6vw,88px)}
.hero .wrap{display:grid;gap:36px}
.hero .copy{display:grid;gap:18px;align-content:start}
.hero .display em{font-style:italic}
@media (min-width:900px){.hero .wrap{grid-template-columns:1.05fr .95fr;gap:56px;align-items:start}}

/* drop zone: a sheet with crop marks */
.drop{position:relative;margin-top:10px;background:var(--raised);box-shadow:inset 0 0 0 1px var(--line)}
.drop::after{content:"";position:absolute;inset:0;box-shadow:inset 0 0 0 2px var(--ink);opacity:0;pointer-events:none;transition:opacity 200ms var(--ease)}
.drop.over::after{opacity:1}
.drop:focus-within{outline:2px solid var(--accent);outline-offset:3px}
.drop label{display:grid;place-content:center;gap:8px;text-align:center;min-height:200px;padding:32px 20px;cursor:pointer;-webkit-tap-highlight-color:transparent}
.drop .sub{font-size:15px;color:var(--soft)}
.drop .sub u{text-underline-offset:3px;color:var(--ink)}
.crop{position:absolute;width:14px;height:14px;border:0 solid var(--ink);opacity:.5;pointer-events:none}
.crop.tl{top:-8px;left:-8px;border-top-width:1px;border-left-width:1px}.crop.tr{top:-8px;right:-8px;border-top-width:1px;border-right-width:1px}
.crop.bl{bottom:-8px;left:-8px;border-bottom-width:1px;border-left-width:1px}.crop.br{bottom:-8px;right:-8px;border-bottom-width:1px;border-right-width:1px}
.hint{display:flex;flex-wrap:wrap;align-items:center;gap:4px 16px;font-size:14.5px;color:var(--soft);margin:0}
.linkbtn{background:none;border:0;padding:12px 0;cursor:pointer;font:500 15px var(--text);color:var(--ink);text-decoration:underline;text-underline-offset:4px;min-height:44px}

/* report: the same skeleton in every state, so nothing moves when it updates */
.report{background:var(--raised);box-shadow:inset 0 0 0 1px var(--line);padding:24px;display:grid;gap:18px;align-content:start}
.report .file{font:400 26px/1.15 var(--display);margin:4px 0 0;overflow-wrap:anywhere;min-height:1.15em}
.stats{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin:0;border-block:1px solid var(--line);padding-block:14px}
.stats div{display:flex;flex-direction:column;justify-content:flex-end;gap:4px}
.stats dt{font-size:11px;letter-spacing:.12em;text-transform:uppercase;color:var(--soft);font-weight:500}
.stats dd{margin:0;font:400 clamp(34px,4vw,44px)/1 var(--display);font-variant-numeric:tabular-nums}
.changes{list-style:none;margin:0;padding:0;font-size:15px}
.changes li{display:flex;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px solid var(--hair)}
.changes li span:last-child{font-variant-numeric:tabular-nums;color:var(--soft)}
.tip{margin:0;font-size:14.5px;line-height:1.5;color:var(--soft);min-height:4.5em}
.tip.err{color:var(--ink)}
.tip.err::before{content:"";display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--accent);margin-right:8px;vertical-align:1px}
.actions{display:flex;flex-wrap:wrap;align-items:center;gap:8px 24px}
.report[aria-busy=true] .stats,.report[aria-busy=true] .changes{opacity:.5;transition:opacity 200ms var(--ease)}

/* preview: a tall section with a sticky stage, scrubbed by scroll */
.preview{height:260svh;position:relative;padding:0;border-top:1px solid var(--hair)}
.stage{position:sticky;top:0;height:100svh;display:grid;grid-template-rows:auto 1fr;gap:12px;padding:20px var(--pad) 24px;max-width:var(--max);margin-inline:auto}
.stage-head{display:flex;flex-wrap:wrap;justify-content:space-between;align-items:baseline;gap:6px 24px}
.stage-head .h3{max-width:30ch}
.sheet{--ar:1.3333;--reserve:210px;margin:0;display:flex;flex-direction:column;align-items:center;justify-content:center;min-height:0;height:100%}
.frame{position:relative;width:min(100%,calc((100svh - var(--reserve)) * var(--ar)));aspect-ratio:var(--ar)}
.frame>img,.frame>svg,.frame>.labels{position:absolute;inset:0;width:100%;height:100%}
.frame>img{object-fit:contain;transition:opacity 300ms var(--ease)}
.armed .frame>img{opacity:.12}
.frame>svg{overflow:visible}
.labels{pointer-events:none}
.labels span{position:absolute;translate:-50% -50%;font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;font-weight:500;color:var(--ink);white-space:nowrap}
.tblock{width:min(100%,calc((100svh - var(--reserve)) * var(--ar)));display:flex;justify-content:space-between;gap:4px 12px;border-top:1px solid var(--ink);padding-top:10px;margin-top:12px}
.tblock .mono{font-size:10.5px;color:var(--ink)}
.tblock .mono:last-child{color:var(--soft)}
@media (max-width:899px){
  .tblock{flex-direction:column}
  .sheet{--reserve:250px}
}
@media (min-width:900px){.sheet{--reserve:190px}}
/* reduced motion: no scrubbing, the plan is drawn whole and simply fades in */
@media (prefers-reduced-motion:reduce){
  .preview{height:auto}
  .stage{position:relative;height:auto;min-height:100svh}
  .frame>svg{transition:opacity 300ms var(--ease)}
}
.how .facts b{font-family:var(--display);font-weight:400;font-size:22px}